A protoplanetary disk is a rotating circumstellar disc of dense gas and dust surrounding a young newly formed star, a T Tauri star, or Herbig Ae/Be star...

V1213 Tauri) is an edge-on protoplanetary disk located about 146.4 parsecs from Earth that is surrounded by jets and a disk wind. HH-30 is located in the...

with the protoplanetary disk evolving into a planetary system over the next 10–100 million years. The protoplanetary disk is an accretion disk that feeds...

a protoplanet that forms by accretion of gaseous matter from the protoplanetary disk. Gas giant planets including Jupiter, Saturn, have primary atmospheres...

days). The generally accepted theory of planet formation from a protoplanetary disk predicts that such planets cannot form so close to their stars, as...

circumstellar disk around the star. This circumstellar disk may eventually mature into what is referred to as a protoplanetary disk: a disk of gas, dust...

the rotational axis of the disk that is colliding with nearby interstellar dust and gas. Indications of a protoplanetary disk were first presented in 1975...

as Tau 042021) is an edge-on protoplanetary disk in the Taurus Molecular Cloud. The star is hidden behind the edge-on disk. Early estimates found that...

J16281370-2431391) is a protoplanetary disk in the Rho Ophiuchi cloud complex. The 2MASS source J16281370-2431391 was identified as resolved circumstellar disk with the...

in the center, forming the Sun, while the rest flattened into a protoplanetary disk out of which the planets, moons, asteroids, and other small Solar...

spectral and luminosity classification system, and the presence of a protoplanetary disk, among others. Nearly all of the methods of determining age require...

A proplyd, short for ionized protoplanetary disk, is an externally illuminated photoevaporating protoplanetary disk around a young star. Nearly 180 proplyds...

astronomy, a disk wind is a particle outflow observed around accretion disks, mainly near protoplanetary disks and active galactic nulei (AGN). The disk wind...

5-10 million years old. The star appears to be accreting from a protoplanetary disk of dust and gas, oriented face-on to Earth, which has been resolved...

protostar, and then a protoplanetary disk orbiting the object. As the collapse continues, an increasing amount of gas impacts the disk rather than the star...

is a young Herbig Ae star surrounded by a protoplanetary disk. The disk is a popular target to study disk composition, and several works suggested the...

sometimes employed when discussing the unrelated concept of protoplanetary disks. The name protoplanetary nebula is a consequence of the older term planetary...

from hot stars acts on clouds of material such as molecular clouds, protoplanetary disks, or planetary atmospheres. One of the most obvious manifestations...

circumstellar disks that have published resolved images. Many of them are protoplanetary disks or debris disks. Only some are transitional disks between protoplanetary...

set by the age of the oldest solid material in the Solar System—protoplanetary disk dust particles—found as chondrules and calcium–aluminium-rich inclusions...

of a nebula to create a young protostar orbited by a protoplanetary disk. Planets grow in this disk by the gradual accumulation of material driven by gravity...

76 M☉ and is approximately 5.4 million years old. The star has a protoplanetary disk containing two nascent exoplanets, named PDS 70b and PDS 70c, which...

instability the interaction between the solids and the gas in the protoplanetary disk results in the growth of local concentrations, as new particles accumulate...

2015, her group discovered the first complex organic molecule in a protoplanetary disk. Karin Öberg was born in Nyköping, Sweden. At age 6, her family relocated...

dwarf or free-floating planetary-mass object that is surrounded by a protoplanetary disk, actively accreting material from it. KPNO-Tau 12 was identified...

diameter, into planetesimals in a protoplanetary disk that is enhanced by aerodynamic drag from the gas present in the disk. This drag reduces the relative...

protoplanetary disk could also produce several gas giant protoplanets out to distances of up to 30 AU. Regions of slightly higher density in the disk...

IM Lupi is a young stellar object with a surrounding protoplanetary disk. The young star is suspected to host a still forming protoplanet at a distance...

Lambda Orionis star-forming region and has an extended circumtrinary protoplanetary disk. GW Orionis first came to the attention of astronomers when it was...

Elias 2-27 (2MASS J16264502-2423077) is a YSO star with a protoplanetary disk around it, located in the Ophiuchus Molecular Cloud (ρ Oph Cld, 5 Oph Cld...